1. Denature the protein.
2. Interfere with its genetic mechanism.
3. Interfere with the cell membrane.
4. Interfere with the activity of enzymes inside the cell.
The titanate coupling agent disperses the inorganic aggregates in the organic phase
Both can be surface treated with titanate coupling agent to improve their affinity with organic substances. In fact, the titanate coupling agent is not limited to the combination of inorganic and organic substances. It can also improve the dispersibility of organic pigments such as carbon black and phthalocyanine blue in organic base materials. The coupling agent can also be used as an adhesion promoter. For example, the surface of glass fiber and glass plate has hydroxyl groups that can be chemically combined. It can be treated with titanate coupling agent to enhance the adhesion to epoxy resin or butyl polymer. It can also increase the adhesion between wood and polyester, steel and polyester .
According to the above coupling mechanism, it can guide us to prevent some unreasonable operation techniques in actual work. If the organic base material contains more hydroxyl or carboxyl groups, the titanate coupling agent will react with the hydroxyl or carboxyl group through the isopropoxy group and connect to the organic base material, resulting in the loss of the isopropoxy group (see second Section titanate chemical reaction), can no longer be coupled with inorganic pigments and fillers, and cannot play a role as a bridge between inorganic substances and organic polymers. In order to prevent unwanted chemical reactions from occurring, micronized ptfe market the inorganic pigments and fillers can be surface treated first, and then formulated into coatings.
Similarly, other additives used in coatings may also react with the titanate coupling agent and lose the coupling group. Therefore, the titanate coupling agent must be coupled with pigments and fillers before adding other components. . When the base material system does not contain active groups such as hydroxyl and carboxyl groups, the coupling agent, polymer, pigment and filler can be directly processed together, or the coupling agent, monomer and pigment and filler can be simultaneously processed during the polymerization of the base monomer Polymerize and coat, and then add other additives to formulate the coating.
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